There are two station names which sound like intercity train stations, called “Hong Kong” (which share the same paid area with “Central”) and “Kowloon”, but in fact no intercity train will stop or even go through there. They are the stations for Airport Express, as well as normal metro trains. Some airlines will provide in-town check-in services at these 2 stations.
The only station which intercity trains stop by is “Hong Kong West Kowloon Station”.
References:
MTR System Map (MTR Official Site)
(All the informations provided are for reference only.)